2 files changed, 1 insertions, 3 deletions
diff --git a/compiler/rustc_attr_data_structures/Cargo.toml b/compiler/rustc_attr_data_structures/Cargo.toml
index 8fbc21f3ba2..b18923c337f 100644
--- a/compiler/rustc_attr_data_structures/Cargo.toml
+++ b/compiler/rustc_attr_data_structures/Cargo.toml
@@ -14,6 +14,3 @@ rustc_serialize = {path = "../rustc_serialize"}
 rustc_span = {path = "../rustc_span"}
 thin-vec = "0.2.12"
 # tidy-alphabetical-end
-
-[lints]
-workspace = true
diff --git a/compiler/rustc_attr_data_structures/src/lib.rs b/compiler/rustc_attr_data_structures/src/lib.rs
index be00d1c10e0..f4986d1d187 100644
--- a/compiler/rustc_attr_data_structures/src/lib.rs
+++ b/compiler/rustc_attr_data_structures/src/lib.rs
@@ -3,6 +3,7 @@
 #![doc(rust_logo)]
 #![feature(let_chains)]
 #![feature(rustdoc_internals)]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 mod attributes;